EP1504353B1 - System und verfahren zum verarbeiten von nachrichten-anhängen - Google Patents

System und verfahren zum verarbeiten von nachrichten-anhängen Download PDF

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Publication number
EP1504353B1
EP1504353B1 EP03719933A EP03719933A EP1504353B1 EP 1504353 B1 EP1504353 B1 EP 1504353B1 EP 03719933 A EP03719933 A EP 03719933A EP 03719933 A EP03719933 A EP 03719933A EP 1504353 B1 EP1504353 B1 EP 1504353B1
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EP
European Patent Office
Prior art keywords
attachment
processing device
data processing
original
format
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP03719933A
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English (en)
French (fr)
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EP1504353A4 (de
EP1504353A2 (de
Inventor
Christopher Joseph Desalvo
Scott Kister
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Danger Inc
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Danger Inc
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Publication of EP1504353A4 publication Critical patent/EP1504353A4/de
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Publication of EP1504353B1 publication Critical patent/EP1504353B1/de
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/06—Message adaptation to terminal or network requirements
    • H04L51/063—Content adaptation, e.g. replacement of unsuitable content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/06—Message adaptation to terminal or network requirements
    • H04L51/066—Format adaptation, e.g. format conversion or compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/2866—Architectures; Arrangements
    • H04L67/30—Profiles
    • H04L67/303—Terminal profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/565—Conversion or adaptation of application format or content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/58—Message adaptation for wireless communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99941—Database schema or data structure
    • Y10S707/99943—Generating database or data structure, e.g. via user interface

Definitions

  • the invention relates generally to the field of data processing systems.
  • the invention relates to an improved system and method for processing message attachments between a data service and a data processing device.
  • E-mail has become an irreplaceable tool in today's business environment. Virtually all corporate employees rely on e-mail in one way or another to communicate both externally with customers and internally with other employees.
  • MIME Multipurpose Internet Mail Extensions
  • S/MIME Secure MIME
  • RSA Rivest- Shamir-Adlemari
  • the client receiving the e-mail message may be viewed, executed and/or edited by the message recipient.
  • One problem which exists, however, is that not all clients are equipped with the software required to process all types of message attachments. For example, if an attachment is compressed using a particular compression tool (e. g. such as WinzipTM), the message recipient will not be able to open the attachment unless he/she has the compression tool installed on his/her client computer. Similarly, if the attachment is in a particular document format (e. g., Adobe's Portable Document Format), the recipient will not be able to view or edit the attachment unless support for that format is installed on his/her client computer.
  • a particular compression tool e. g. such as WinzipTM
  • the attachment is in a particular document format (e. g., Adobe's Portable Document Format)
  • the recipient will not be able to view or edit the attachment unless support for that format is installed on his/her client computer.
  • Attachments are particularly problematic for wireless and/or portable data processing devices which, quite frequently, do not support standard file formats and executables. Thus, while many wireless/portable devices are capable of connecting to the Internet to download e-mail messages, the message attachments may be unusable.
  • a remote communication unit's controller when sending a reply in a first embodiment a remote communication unit's controller generates a delta between a preceding message and the reply message, and forms an optimized reply using the delta and an identifier of the preceding message.
  • the communication server uses the data unit identifier to retrieve the preceding message from a further server (e.g., the post office mailbox of the user associated with the remote unit), reconstructs the full reply from the retrieved message and the delta, and forwards the full reply to the addressee.
  • a further server e.g., the post office mailbox of the user associated with the remote unit
  • an index is preferably maintained by both units of mail stored at the remote unit. From this index a preceding message forming part of the reply is identified.
  • This method comprises in particular receiving an e-mail message containing an original attachment at a data service, said e-mail addressed to a data processing device to which said data service is communicatively coupled, said data processing device having specified processing capabilities; determining an original format of said original attachment; if said original attachment is in a format that can be converted by said data service to a format which said data processing device can process: converting said original attachment based on said processing capabilities of said data processing device to a format which said data processing device can process; generating linking information linking said original attachment with the converted version of said original attachment; and transmitting said converted version of said original attachment along with said e-mail message to said data processing device; if said original attachment is not in a format that can be converted (text) by said data service to a format which said data processing device can process: notifying said data processing device that said original email-message contained an attachment; receiving an e-mail response from said data processing device intended to include said original attachment; locating and re
  • a mail server employed in a client service provider receives an email destined for a user cataloged in advance in the client service provider. If the email has a file attached thereto, the format of the attached file is examined. If the format of the attached file is found to be a format categorized as a format of a first file format group set in advance, the format is converted into another format belonging to a category other than the first file format group, that is, a second file format group set in advance. Then, the attached file is replaced by a file having the other format.
  • the user is capable of viewing the attached file without installing various kinds of software specially used for displaying and viewing files which are attached to emails and have a variety of formats.
  • Described below is a system and method for coordinating between a plurality of e-mail accounts.
  • numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. In other instances, well-known structures and devices are shown in block diagram form to avoid obscuring the underlying principles of the present invention.
  • Embodiments of the invention may be implemented on a data processing service 100 such as that illustrated generally in Figure 1 .
  • the service 100 which may be comprised of one or more servers, provides a portal through which data processing devices 110 may access content (e.g., Web pages, multimedia content, e-mail, . . . etc) from external Internet sites 130.
  • content e.g., Web pages, multimedia content, e-mail, . . . etc
  • Network Portal Application NETWORK PORTAL SYSTEM, APPARATUS AND METHOD, Serial No. 09/714,897, Filed November 15, 2000
  • the service 100 converts standard applications and data into a format which each wireless data processing device 110 can properly interpret.
  • the service 110 includes a content conversion module 120 for processing requests for Internet content 140. More particularly, the service 100 acts as a proxy for the data processing device 110, forwarding Internet requests 140, 141 to the appropriate Internet site 130 on behalf of the data processing device 110, receiving responses from the Internet site 130 in a standard Internet format (e.g., Web pages with embedded audio/video and graphical content, e-mail messages with attachments, . . . etc), and converting the standard Internet responses 124 into a format which the data processing device 110 can process (e.g., bytecodes as described in the Network Portal Application).
  • a standard Internet format e.g., Web pages with embedded audio/video and graphical content, e-mail messages with attachments, . . . etc
  • the conversion module 120 may include a hypertext markup language (“HTML") rendering module (not shown) for interpreting HTML code and downloading any embedded content in the HTML code (e.g., graphics, video, sound, . . . . etc) to the service 100.
  • the conversion module 120 may then combine the HTML code and embedded content and generate a set of bytecodes for accurately reproducing the requested content on the data processing device 110.
  • the bytecodes may be Java bytecodes/applets.
  • the conversion module 120 may generate various other types of interpreted and/or non-interpreted code, depending on the particular type of data processing device 110 being used (e.g., one with an interpreter module or one without).
  • one embodiment of the service 100 maintains an intimate knowledge of the capabilities/configuration of each data processing device 110 (e.g., screen size, graphics/audio capabilities, available memory, processing power, user preferences, ... etc) it can reconstruct the requested Internet content accurately, while at the same time minimizing the bandwidth required to transmit the content to the device 110.
  • the conversion module 120 may perform pre-scaling and color depth adjustments to the requested content so that it will be rendered properly within the data processing device's 110's display. In making these calculations, the conversion may factor in the memory and processing power available on the data processing device 110.
  • the conversion module 120 may compress the requested content using a variety of compression techniques, and thereby preserve network bandwidth.
  • the conversion module 120 will simply discard Internet content which either cannot be reproduced on the data processing device 110, or which the user has indicated that he/she does not want to be reproduced on the portal device. For example, a user may indicate that he/she does not want sounds to be generated on the data processing device 110 or that he/she does not want advertisements transmitted to the data processing device 110. The conversion module 120 will then remove any sounds or advertisements embedded in the requested Web page (or other requested Internet content). Because HTML rendering and other advanced processing of Internet content/data is offloaded to the service 100 as described above, the data processing device 110 can be manufactured using a low power microprocessor or microcontroller, thereby lowering the cost of manufacture and/or the energy consumed by the device 110.
  • the formatted page/object may be stored locally on a cache 125 maintained at the service 100.
  • the conversion module 120 may simply read the previously-generated code from the local cache 125 (i.e., it will no longer need to retrieve the content from remote locations to reconstruct the code).
  • the service 100 may cache the most frequently-requested Internet data (e.g., the Yahoo TM home page), and may remove content from the cache based on a least-recently used caching policy.
  • the service 100 may compare the version of the data stored in the cache 125 with the version of data stored at the remote Internet site 130 when the data is requested.
  • the service 100 may store data in the cache 125 for some predetermined period of time before checking the remote server 130 for a new version.
  • Various other Internet caching techniques may be employed while still complying with the underlying principles of the invention (e.g., those defined in the Internet Caching Protocol ("ICP") and/or the Cache Array Routing Protocol (“CARP”)).
  • the attachment processing module 240 is itself comprised of an attachment conversion module 241 for converting e-mail attachments based on the wireless device specifications (e.g., processing capabilities, screen resolution, . . . etc), and an attachment analysis module 242 for identifying attachment types and maintaining a link between attachments sent to the wireless device 110 and original attachments stored on the user's e-mail account.
  • the attachment conversion module 241 operates in a similar manner to the content conversion module 120 described above except that it specifically converts e-mail attachments for rendering on the wireless device 110.
  • the attachment processing techniques described herein may be applied to both internal e-mail accounts 220 (i.e., internal in the sense that they are maintained by the service 100) and external e-mail accounts 230 (e.g., accounts provided by Internet Service Providers or Web portals such as Yahoo TM ).
  • internal e-mail accounts 220 i.e., internal in the sense that they are maintained by the service 100
  • external e-mail accounts 230 e.g., accounts provided by Internet Service Providers or Web portals such as Yahoo TM.
  • embodiments of the invention are described herein with respect to a wireless device 110 communicating over a wireless network 210, it should be noted that many of these embodiments may be employed for a non-wireless client 215 communicating over a standard, wired network.
  • Figure 3 illustrates one embodiment method which may be employed by the system illustrated in Figure 2 .
  • the attachment processing module 240 determines whether the e-mail includes an attachment. In one embodiment, the attachment analysis module 242 makes this determination by searching the e-mail message for an attachment header or for some other indication that the message contains an attachment such as a stream of unidentified bytes (e.g., an "octet-stream").
  • the service transmits the message to the wireless device 110.
  • the service 100 may also convert the e-mail message so that the message may be properly rendered by the wireless device 110. For example, if the e-mail message body is in an HTML format, and the wireless device 110 cannot interpret HTML, the service 100 will convert the HTML content into a format which is interpretable by the device (e.g., as described above with respect to Figure 1 ).
  • the attachment analysis module 242 attempts to determine the attachment type.
  • Virtually any type of file may be attached to an e-mail message including, by way of example but not limitation, a file compressed or otherwise encoded/encrypted (hereinafter "encoded") using a specified encoding algorithm (e.g., Winzip); a file formatted according to a particular word processing program (e.g., Microsoft Word); and an encoded and/or compressed image (e.g., a JPEG image) which may only be properly displayed using a particular minimum color depth and resolution.
  • the attachment analysis module will identify the attachment type directly from the attachment header. Sometimes, however, the attachment may not be identified in the header.
  • the attachment analysis module 242 may perform a more in-depth analysis on the file. For example, in one embodiment, the attachment analysis module 242 may use portions of the file name such as the filename extension (e.g., ".doc” for Microsoft Word documents; ".jpg” for JPEG images, . . . etc) to attempt to identify the file type. In addition, in one embodiment, the attachment analysis module 242 examines the underlying data in the attachment for well known headers. For example, GIF images always start with "GIF87” or "GIF89a.” Similarly, JPEG images start with the bytes "FF D8.”
  • the filename extension e.g., ".doc" for Microsoft Word documents; ".jpg” for JPEG images, . . . etc
  • the attachment analysis module 242 may also query the user as to the file type (e.g., asking the user to link the file to a particular type of application).
  • Various other attachment identification techniques may be employed while still complying with the underlying principles of the invention.
  • the attachment conversion module 241 checks to see if a known mechanism exists (e.g., rules, instructions, program code, . . . etc) for converting this type of attachment into a format which the wireless device 110 can process. If it does, it converts the attachment and, at 325, transmits the converted version of the attachment along with the e-mail message to the wireless device 110.
  • a known mechanism e.g., rules, instructions, program code, . . . etc
  • the attachment conversion module 241 may simply refrain from transmitting the attachment to the wireless device 110. It may, however, notify the user that the original message contained an attachment and may include the attachment name within the e-mail message. The attachment conversion module 241 may subsequently transmit the unprocessed attachment to the wireless device in response to a request from the user. The user may then manually attempt to access/process the attachment.
  • the attachment conversion module 241 may shrink the JPEG image to fit on the wireless device's screen and/or may change the color depth of the image (e.g., it may convert the image to grayscale).
  • the conversion module 241 may convert the content of the Word file into to a format viewable on the wireless device's screen.
  • the attachment is a compressed and/or encoded file (e.g., compressed/encoded using Winzip) the conversion module 241 may initially decompress/decode the file to extract the files embedded within the compressed/encoded file. If it can identify the embedded files it may then convert the embedded files as described above, before transmitting the embedded files to the wireless device 110.
  • a virtually unlimited number of file types may be converted by the attachment processing module 240 for rendering on the wireless device 110 including, but not limited to, Portable Network Graphics (“PNG”) files, Graphics Interchange Format (“GIF') files, Portable Document Format (“PDF”) files, Hypertext Markup Language (“HTML”) files with different levels of embedded content.
  • PNG Portable Network Graphics
  • GIF' Graphics Interchange Format
  • PDF Portable Document Format
  • HTML Hypertext Markup Language
  • various additional encoding types may be processed (i.e., decoded and/or re-encoded) including, but not limited to, uuencoding, base64 encoding, and binhex encoding.
  • the user may subsequently respond to the e-mail message while still retaining the e-mail message history, including the attachment.
  • the user may forward the e-mail to another user with the attachment.
  • the user may also detach the attachment file and subsequently re-attach the attachment file to a new e-mail message addressed to another user.
  • one embodiment of the attachment processing module 240 will transmit the attachment in its original form to the destination address, rather than in its converted form (i.e., so that the message recipient may process the message attachment).
  • the attachment processing module 240 will initially determine whether the destination address is another wireless device capable of processing the converted attachment (e.g., a device of a user subscribed to the service 100). If so, the attachment processing module 240 will transmit the converted attachment, rather than the original attachment.
  • another wireless device capable of processing the converted attachment e.g., a device of a user subscribed to the service 100. If so, the attachment processing module 240 will transmit the converted attachment, rather than the original attachment.
  • an e-mail containing an attachment when transmitted from the wireless device, instead of sending the converted attachment over the wireless network, only a reference to the attachment is transmitted (e.g., "include attachment #2"), thereby conserving a considerable amount of bandwidth.
  • the reference is subsequently used by the attachment processing module 240 to locate the original attachment.
  • the original attachment may be identified and/or regenerated by the attachment processing module 240 in a variety of ways.
  • the attachment processing module 240 maintains a link between attachments stored in the e-mail databases 220, 230 (i.e., the original attachments) and the converted attachments stored on the wireless device 110.
  • the link may simply be a table containing attachment/message ID codes on the wireless device and corresponding e-mail database attachment/message ID codes.
  • the attachment processing module 240 may perform a lookup in the table using the message's and/or attachment's ID code to identify the corresponding original attachment.
  • the attachment and/or e-mail message ID code does not change when the attachment is converted and transmitted to the wireless device 110. Accordingly, in this embodiment, no table lookup is required to identify the attachment within the e-mail databases 220, 230.
  • the attachment conversion module 241 may regenerate the original attachment from the converted attachment. For example, in the case of a Microsoft Word file or other word processing document, the attachment conversion module 241 may reconstruct the format of the original file using text and other information from the converted file. In one embodiment, data may be embedded within the converted file indicating specifically how the Word file should be regenerated. Similarly, in the case of a compressed/encoded file, the attachment conversion module 241 may recompress/re-encode the embedded files. Various other techniques may be employed to link and/or regenerate converted attachments to standard attachments while still complying with the underlying principles of the invention.
  • Embodiments of the invention may include various steps as set forth above.
  • the steps may be embodied in machine-executable instructions which cause a general-purpose or special-purpose processor to perform certain steps.
  • these steps may be performed by specific hardware components that contain hardwired logic for performing the steps, or by any combination of programmed computer components and custom hardware components.
  • Elements of the present invention may also be provided as a machine-readable medium for storing the machine-executable instructions.
  • the machine-readable medium may include, but is not limited to, floppy diskettes, optical disks, CD-ROMs, and magneto-optical disks, ROMs, RAMs, EPROMs, EEPROMs, magnetic or optical cards, propagation media or other type of media/machine-readable medium suitable for storing electronic instructions.
  • the present invention may be downloaded as a computer program which may be transferred from a remote computer (e.g., a server) to a requesting computer (e.g., a client) by way of data signals embodied in a carrier wave or other propagation medium via a communication link (e.g., a modem or network connection).
  • a remote computer e.g., a server
  • a requesting computer e.g., a client
  • a communication link e.g., a modem or network connection

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Information Transfer Between Computers (AREA)
  • Communication Control (AREA)
  • Circuits Of Receivers In General (AREA)

Claims (10)

  1. Verfahren umfassend:
    Empfangen einer E-Mail-Nachricht, die einen Originalanhang enthält, an einem Datenservice (100), wobei die E-Mail an eine Datenverarbeitungseinrichtung (110) adressiert ist, an die der Datenservice (100) kommunikativ gekoppelt ist, wobei die Datenverarbeitungseinrichtung (110) spezifizierte Verarbeitungseigenschaften hat;
    Bestimmung eines Originalformats des Originalanhangs durch Analysieren von Daten in dem Originalanhang;
    wenn der Originalanhang in einem Format ist, das von dem Datenservice (100) in ein Format konvertierbar ist, das die Datenverarbeitungseinrichtung (110) verarbeiten kann:
    Konvertieren des Originalanhangs auf der Basis der Verarbeitungseigenschaften der Datenverarbeitungseinrichtung (110) in ein Format, das die Datenverarbeitungseinrichtung (110) verarbeiten kann;
    Übertragen der konvertierten Version des Originalanhangs zusammen mit der E-Mail-Nachricht an die Datenverarbeitungseinrichtung (110);
    wenn der Originalanhang nicht in einem Format ist, das durch den Datenservice (110) in ein Format konvertierbar ist, das die Datenverarbeitungseinrichtung (110) verarbeiten kann:
    Benachrichtigen der Datenverarbeitungseinrichtung (110), dass die originale E-Mail-Nachricht einen Anhang enthielt,
    wobei das Verfahren gekennzeichnet ist durch:
    wenn der Originalanhang in einem Format ist, das durch den Datenservice (100) in ein Format konvertierbar ist, das die Datenverarbeitungseinrichtung (110) verarbeiten kann:
    Erzeugen einer Verknüpfungsinformation, die den Originalanhang mit der konvertierten Version des Originalanhangs verknüpft, nach dem Umsetzungsschritt und vor dem Übertragungsschritt; Empfangen einer E-Mail-Antwort von der Datenverarbeitungseinrichtung (110), die die konvertierte Version des Originalanhangs enthält und den Originalanhang umfassen soll;
    Lokalisieren und erneutes Anhängen des Originalanhangs durch Verwendung der Verknüpfungsinformation; und
    Übertragen der E-Mail-Nachricht mit dem Originalanhang an ihren Bestimmungsort.
  2. Verfahren nach Anspruch 1, worin der Originalanhang aus einer oder mehreren, kodierten Datei(en) besteht, wobei die Konvertierung umfasst:
    Dekodieren von der einen oder mehreren, kodierten Datei(en), um mehrere dekodierte Dateien zu erzeugen; und
    von der einen oder mehreren, dekodierten Datei(en) auf der Basis der spezifizierten Verarbeitungseigenschaften in ein Format, das die Datenverarbeitungseinrichtung (110) verarbeiten kann, wenn die Verarbeitungseinrichtung (110) die eine oder die mehreren, dekodierten Dateien nicht verarbeiten kann.
  3. Verfahren nach Anspruch 1, worin der Anhang eine Bilddatei und worin die Konvertierung das Konvertieren der Bilddatei in eine Auflösungs- und/oder Farbtiefe umfasst, die die Datenverarbeitungseinrichtung (110) liefern kann, oder worin der Anhang eine Wortverarbeitungsdatei und worin die Konvertierung das Konvertieren der Wortverarbeitung in Text umfasst, in die Datenverarbeitungseinrichtung (110) anzeigen kann, oder worin der Anhang eine eine spezifische Textformatierung und Bilder enthaltenden Datei ist, und worin die Konvertierung das Konvertieren der spezifischen Textformatierung und der Bilder in einem Format umfasst, das von der Datenverarbeitungseinrichtung (110) geliefert werden kann und spezifische Textformatierung und Bilder nächsten wiedergibt.
  4. Verfahren nach Anspruch 1, ferner umfassend:
    Erzeugen einer Verknüpfungsinformation, die den Originalanhang mit der konvertieren Version des Originalanhangs verknüpft, und
    Lokalisieren des Originalanhangs unter Verwendung der Verknüpfungsinformation in Antwort auf das Empfangen der E-Mail-Antwort.
  5. System umfassend:
    einen Analysemodul (242), der geeignet ist, ein Originalformat in einer E-Mail-Nachricht bestimmen, die an eine Datenverarbeitungseinrichtung (110) adressiert ist, durch Analysieren von Daten in dem Originalanhang;
    einen Anhang-Konvertierungs-Modul (241), der in der Lage ist, zu prüfen, ob der Originalanhang in ein Format konvertierbar ist, das von der Datenverarbeitungseinrichtung (110) verarbeitet werden kann;
    den Originalanhang auf der Grundlage der Verarbeitungseigenschaften der Datenverarbeitungseinrichtung (110)in ein Format zu konvertieren, das Datenverarbeitungseinrichtung (110) verarbeiten kann, und die konvertierte Version des Originalanhangs einer E-Mail-Nachricht an die Datenverarbeitungseinrichtung (110) zu übertragen; wenn der Originalanhang in ein Format konvertierbar ist; und
    die Datenverarbeitungseinrichtung (110) zu benachrichtigen, dass die originale E-Mail-Nachricht einen Originalanhang enthielt, wenn der Originalanhang nicht in solch ein Format konvertierbar ist,
    wobei das System dadurch gekennzeichnet ist, dass Analysemodul (242) in der Lage ist,
    eine Verknüpfungsinformation zu erzeugen, die den Originalanhang mit der konvertierten Version des Originalanhangs verknüpft; und
    ferner den Originalanhang unter Verwendung der Verknüpfungsinformation anzuhängen in Antwort auf die E-Mail-Antwort von der Datenverarbeitungseinrichtung (110), die die konvertierte Version des Originalanhangs enthält und dafür gedacht ist, den Originalanhang zu enthalten.
  6. System nach Anspruch 5,worin der Originalanhang aus einer oder mehreren, kodierten Datei(en) besteht, und worin die Konvertierung umfasst:
    Dekodieren der einen oder mehreren kodierten Datei(en), um eine oder mehrere dekodierte Datei(en) zu erzeugen; und
    Konvertieren der einen oder mehreren, dekodierten Datei(en) in ein Format, das die Datenverarbeitungseinrichtung (110) verarbeiten kann, wenn die Datenverarbeitungseinrichtung (110) die dekodierten Dateien nicht verarbeiten kann.
  7. System nach Anspruch 5, worin der Anhang
    (a) eine Bilddatei ist und das Konvertieren das Konvertieren der Bilddatei in eine Auslösung und/oder Farbtiefe umfasst, die die Datenverarbeitungseinrichtung (110) liefern kann, oder
    (b) eine Wortverarbeitungsdatei ist und das Konvertierung das Konvertieren der Wortverarbeitungsdatei in Text umfasst, den die Datenverarbeitungseinrichtung (110) anzeigen kann, oder
    (c) eine spezifische Textformatierung und Bilder enthaltende Datei ist und worin der Anhang-Konvertierungsmodul nicht spezifische Textformatierung und die Bilder in ein Format konvertiert, das von der Datenverarbeitungseinrichtung (110) geliefert werden kann und das am nächsten die spezifische Textformatierung und Bilder wiedergibt.
  8. System nach Anspruch 5, worin der Anhang-Analysemodul geeignet ist, den Originalanhang mit der konvertierten Version des Originalanhangs in Antwort auf das Empfangen der E-Mail-Antwort zu lokalisieren.
  9. System nach Anspruch 8, worin die Verknüpfungsinformation eine Tabelle umfasst, die eine Korrespondenz zwischen Identifizierungskodes und Originalanhangs-Identifizierungskodes enthält.
  10. Computerprogramm, das Programmkodemittel umfasst, die geeignet sind, alle Schritte nach einem der Ansprüche 1 bis4 auszuführen, wenn das Programm auf einem Computer ausgeführt wird, wobei das Computerprogramm in einem computerlesbaren Medium enthalten ist.
EP03719933A 2002-05-02 2003-04-25 System und verfahren zum verarbeiten von nachrichten-anhängen Expired - Lifetime EP1504353B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/138,207 US7376702B2 (en) 2002-05-02 2002-05-02 System and method for processing message attachments
US138207 2002-05-02
PCT/US2003/012859 WO2003094013A2 (en) 2002-05-02 2003-04-25 System and method for processing message attachments

Publications (3)

Publication Number Publication Date
EP1504353A2 EP1504353A2 (de) 2005-02-09
EP1504353A4 EP1504353A4 (de) 2005-11-02
EP1504353B1 true EP1504353B1 (de) 2008-11-05

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US (1) US7376702B2 (de)
EP (1) EP1504353B1 (de)
JP (1) JP4484696B2 (de)
AT (1) ATE413755T1 (de)
AU (1) AU2003223733A1 (de)
DE (1) DE60324549D1 (de)
ES (1) ES2314195T3 (de)
WO (1) WO2003094013A2 (de)

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Publication number Publication date
US7376702B2 (en) 2008-05-20
EP1504353A4 (de) 2005-11-02
JP4484696B2 (ja) 2010-06-16
JP2005524892A (ja) 2005-08-18
US20030208546A1 (en) 2003-11-06
EP1504353A2 (de) 2005-02-09
DE60324549D1 (de) 2008-12-18
ES2314195T3 (es) 2009-03-16
WO2003094013A2 (en) 2003-11-13
WO2003094013A3 (en) 2004-01-08
AU2003223733A1 (en) 2003-11-17
ATE413755T1 (de) 2008-11-15

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